简述网桥与路由器的联系与区别？

[单选题]Drug Overuse ① Nowadays,millions of people misuse and even overuse pain medications and other drugs. Research by the American National Institute on Drug Abuse （NIDA， 1999） shows that around 2% of the population over age 12 were using drugs non-medically. ② NIDA views medications as a powerful force for good in the contemporary world. They reduce and remove pain for millions of people suffering from illness and disease. They make it possible for doctors to perform complicated surgery to save lives. Many people afflicted by serious medical conditions are able to control their symptoms and become active， contributing citizens. NIDA points out that most individuals who take these drags use them in a responsible. ③ Nevertheless， overuse of drugs such as opioids， central nervous system（CNS） depressants and stimulants does lead to harmful reliance in some people and is therefore becoming a serious public health concern. Although this abuse affects many people worldwide， particular trends of concern to the medical profession in the US appear among older adults， teenagers arid women. ④ Though it may be a surprise to many， the misuse of medications may be the most common form of drug abuse among the elderly. Dr Kenneth Schrader of Duke University， North Carolina states that although the elderly represent about 13% of the US population， those aged 65 and over account for the consumption of one third of all drugs. People in this age group use medications roughly three times more than the general population and have poorer compliance with instruction for use. In another study of elderly patients admitted to treatment programs， 70% were women who had overused medicines. ⑤ Unfortunately， this trend among women does not only affect those aged over. In general， among women and men who are using either an anti-anxiety drug or a sedative， women are twice as likely to become addicted. In addition， statistics compiled for 12 —17 year olds show that teenage girls are more likely than teenage boys to begin overusing psychotherapeutic medication such as painkillers， tranquillizers， stimulants and sedatives. Some people use medications about a couple of times more than the average people but with less compliance with（）.

[单选题]哪个不是吡拉西坦的特点（）

[配伍题]属于“十九畏”的是（）。|属于“十八反”的配伍是（）。

[填空题]组成雌蕊的单位是（），胚珠着生的位置称为（），花粉附着萌发的部位称为（）。

[单选题]2017年12月，小张用自己的借记卡在某房地产开发公司刷卡购买住房，支付首付40万元。根据支付结算法律制度的规定，收单银行就该笔业务应向该房地产公司收取的发卡行服务费为（）元。

[多选题]有效的生涯规划和管理包括（）

[问答题]装卸搬运对环境有何影响？

[判断题]专利一定全部具有新颖性、创造性、实用性。

[多选题]液晶显示器按物理结构分四种分别为（）

[判断题]硬席临时定期乘车证的有效期为3个月，可跨年填发。（部竞赛题《乘车证》）